December weather forecastRybionek, Poland
December
Weather in December
The first month of the winter, December, is still a cold month in Rybionek, Poland, with temperature in the range of an average low of -1.1°C (30°F) and an average high of 2.5°C (36.5°F).Temperature
December brings a slight decrease in temperature, down from a frosty 7.2°C (45°F) in November to a wintry 2.5°C (36.5°F). Rybionek's nocturnal December readings average at a freezing cold -1.1°C (30°F), showing little variation from the daytime temperatures.Humidity
In Rybionek, the average relative humidity in December is 87%.Rainfall
In December, the rain falls for 12.2 days. Throughout December, 30mm (1.18") of precipitation is accumulated. Throughout the year, there are 156 rainfall days, and 403mm (15.87") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Rybionek, in December, snow falls for 8.9 days, with typically accumulated 52mm (2.05") of snow. Throughout the year, in Rybionek, there are 45.6 snowfall days, and 336mm (13.23") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 7h and 48min of daylight.On the first day of December in Rybionek, Poland, sunrise is at 07:27 and sunset at 15:30. On the last day of the month, sunrise is at 07:49 and sunset at 15:36 CET.
Sunshine
The average sunshine in December is 3.4h.UV index
The months with the lowest UV index in Rybionek are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high daily UV index of 1 during December translates into the following directions:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Always opt for UVA and UVB-resistant sunglasses on radiant days. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rybionek, Poland
- Average high temperature in December: 2.5°C
The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (-0.3°C).
- Average low temperature in December: -1.1°C
The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).
Average pressure in December
Rybionek, Poland
- Average pressure in December: 1016.1mbar
The month with the highest atmospheric pressure is October (1018mbar).
The month with the lowest atmospheric pressure is July (1013.6mbar).
Average wind speed in December
Rybionek, Poland
- Average wind speed in December: 14.3km/h
The windiest month (with the highest average wind speed) is December (14.3km/h).
The calmest month (with the lowest average wind speed) is August (10.4km/h).
Average humidity in December
Rybionek, Poland
- Average humidity in December: 87%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (67%).
Average rainfall in December
Rybionek, Poland
- Average rainfall in December: 30mm
The wettest months (with the highest rainfall) are May and June (50mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in December
Rybionek, Poland
- Average rainfall days in December: 12.2 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (9 days).
Average snowfall in December
Rybionek, Poland
- Average snowfall in December: 52mm
The month with the highest snowfall is January (121mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Rybionek, Poland
- Average snowfall days in December: 8.9 days
The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rybionek, Poland
- Average daylight in December: 7h and 48min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in December: 3h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in December
Rybionek, Poland
- Average sunshine days in December: 11.7 days
The month with the most sunshine days is October (17.4 days).
The month with the least sunshine days is January (9.3 days).
Average UV index in December
Rybionek, Poland
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Rybionek, Poland
- Average cloud cover in December: 68
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Rybionek, Poland
- Average visibility in December: 8km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (7km).
